The Tor Browser / file comparison
comparison: browser/metro/modules/ContentUtil.jsm
browser/metro/modules/ContentUtil.jsm
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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replaced
| -1:000000000000 | 0:26b9851f99b2 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 "use strict"; | |
| 5 | |
| 6 this.EXPORTED_SYMBOLS = ["ContentUtil"]; | |
| 7 | |
| 8 const XHTML_NS = "http://www.w3.org/1999/xhtml"; | |
| 9 const nsIDOMKeyEvent = Components.interfaces.nsIDOMKeyEvent; | |
| 10 | |
| 11 this.ContentUtil = { | |
| 12 populateFragmentFromString: function populateFragmentFromString(fragment, str) { | |
| 13 let re = /^([^#]*)#(\d+)\b([^#]*)/, | |
| 14 document = fragment.ownerDocument, | |
| 15 // the remaining arguments are our {text, className} values | |
| 16 replacements = Array.slice(arguments, 2), | |
| 17 match; | |
| 18 | |
| 19 // walk over the string, building textNode/spans as nec. with replacement content | |
| 20 // note that #1,#2 etc. may not appear in numerical order in the string | |
| 21 while ((match = re.exec(str))) { | |
| 22 let [mstring,pre,num,post] = match, | |
| 23 replaceText = "", | |
| 24 replaceClass, | |
| 25 idx = num-1; // markers are 1-based, replacement indices 0 based | |
| 26 | |
| 27 str = str.substring(re.lastIndex+mstring.length); | |
| 28 | |
| 29 if (pre) | |
| 30 fragment.appendChild(document.createTextNode(pre)); | |
| 31 | |
| 32 if (replacements[idx]) { | |
| 33 replaceText = replacements[idx].text; | |
| 34 let spanNode = document.createElementNS(XHTML_NS, "span"); | |
| 35 spanNode.appendChild(document.createTextNode(replaceText)); | |
| 36 // add class to the span when provided | |
| 37 if(replacements[idx].className) | |
| 38 spanNode.classList.add(replacements[idx].className); | |
| 39 | |
| 40 fragment.appendChild(spanNode); | |
| 41 } else { | |
| 42 // put it back if no replacement was provided | |
| 43 fragment.appendChild(document.createTextNode("#"+num)); | |
| 44 } | |
| 45 | |
| 46 if(post) | |
| 47 fragment.appendChild(document.createTextNode(post)); | |
| 48 } | |
| 49 if(str) | |
| 50 fragment.appendChild(document.createTextNode(str)); | |
| 51 | |
| 52 return fragment; | |
| 53 }, | |
| 54 | |
| 55 // Pass several objects in and it will combine them all into the first object and return it. | |
| 56 // NOTE: Deep copy is not supported | |
| 57 extend: function extend() { | |
| 58 // copy reference to target object | |
| 59 let target = arguments[0] || {}; | |
| 60 let length = arguments.length; | |
| 61 | |
| 62 if (length === 1) { | |
| 63 return target; | |
| 64 } | |
| 65 | |
| 66 // Handle case when target is a string or something | |
| 67 if (typeof target != "object" && typeof target != "function") { | |
| 68 target = {}; | |
| 69 } | |
| 70 | |
| 71 for (let i = 1; i < length; i++) { | |
| 72 // Only deal with non-null/undefined values | |
| 73 let options = arguments[i]; | |
| 74 if (options != null) { | |
| 75 // Extend the base object | |
| 76 for (let name in options) { | |
| 77 let copy = options[name]; | |
| 78 | |
| 79 // Prevent never-ending loop | |
| 80 if (target === copy) | |
| 81 continue; | |
| 82 | |
| 83 if (copy !== undefined) | |
| 84 target[name] = copy; | |
| 85 } | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 // Return the modified object | |
| 90 return target; | |
| 91 }, | |
| 92 | |
| 93 // Checks if a keycode is used for list navigation. | |
| 94 isNavigationKey: function (keyCode) { | |
| 95 let navigationKeys = [ | |
| 96 nsIDOMKeyEvent.DOM_VK_DOWN, | |
| 97 nsIDOMKeyEvent.DOM_VK_UP, | |
| 98 nsIDOMKeyEvent.DOM_VK_LEFT, | |
| 99 nsIDOMKeyEvent.DOM_VK_RIGHT, | |
| 100 nsIDOMKeyEvent.DOM_VK_PAGE_UP, | |
| 101 nsIDOMKeyEvent.DOM_VK_PAGE_DOWN, | |
| 102 nsIDOMKeyEvent.DOM_VK_ESCAPE]; | |
| 103 | |
| 104 return navigationKeys.indexOf(keyCode) != -1; | |
| 105 } | |
| 106 }; |
